The NHL is looking into whether the Ducks violated rules by holding a practice over Christmas break

The NHL is investigating circumstances of a Ducks practice held Friday during the league's mandated three-day holiday period, the team confirmed Monday.

General Manager Bob Murray said the practice was arranged by team captain Ryan Getzlaf without any team direction and with no team official present.

The probe was first reported by TVA Sports in Montreal.

"The league did contact us [Monday] and we spoke to them," Murray said in a prepared statement. "Getzlaf did make ice available to teammates and paid a local coach, [who] ran it. There were no Ducks coaches present and hockey operations [staff] were all out of town."

The NHL's collective bargaining agreement with the players' union forbids teams to organize any workout or practice between Dec. 24-26.

If the league finds Murray's account is the case, it's believed the Ducks will avoid a violation of the collective bargaining agreement.